No, it is not Czechoslovakia. It is the Czech Republic, and it is Slovakia.
Even though …
- The Czechs simply reused the flag.
- The Czechs also reused the capital.
- The Czechs even reused the previous president.
- The Czechs have – still after almost 20 years – not yet managed to develop an official short form of their country’s name so that many foreigners prefer to reuse the old form “Czechoslovakia”.